CWNU 4026

0.16 UTI

0.0

C_N

0.03

C_dens

0.75

C_C3

0.0

C_lit

1.0

C_dup

C3 classification AB

Number of members (P>50%) 23

Radius (P>50% members) 4.5 [arcmin]

C_N 0.0 Sparse
C_dens 0.03 Very loose
C_C3 0.75 High quality
C_lit 0.0 Rarely studied
C_dup 1.0 Unique

📥 Members 📊 Colab 🔬 Bayestar19 🔍 CDS 🔍 Simbad 🔍 CDS (α, δ) 🔍 Simbad (α, δ)

Overview

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CWNU 4026 is a sparse, very loose object of high C3 quality. Its parallax locates it at a large^* distance, below the mid-plane, affected by moderate extinction. It is catalogued as a young cluster (see Parameters). It was recently reported in the literature.

(*): The parallax distance estimate (~9.36 kpc) differs significantly from the median photometric distance (~6.61 kpc).

Note: This object shares a large percentage of members with a later reported entry. See table with shared members information.

⚠️ Warning: the low UTI value and no obvious signs of duplication (C_dup=1.0) indicate that this is quite probably an asterism, moving group, or artifact, and not a real open cluster.

Very distant Moderate extinction Young

Data

🔍 Search references for CWNU 4026 in: SciX Simbad

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Reference	Year	RA [deg]	DEC [deg]	Plx [mas]	pmRA [mas/yr]	pmDE [mas/yr]	Rv [km/s]
UCC	–	109.32	-14.169	0.107	-0.567	1.178	–
He et al.	2023	109.338	-14.198	0.107	-0.559	1.161	–

💡 Note: The UCC values are estimated from its identified members.

Reference	Year	Dist [kpc]	Av [mag]	DAv [mag]	Age [Myr]	[Fe/H] [dex]	Mass [Msun]	Bfr	BSS
He et al.	2023	6.61	1.90	–	32	–	–	–	–

Cluster	%	RA	DEC	Plx	pmRA	pmDE	Rv	UTI
HSC 1802	84.0	109.32	-14.17	0.11	-0.57	1.18	–	0.02

💡 Note: The % column shows the percentage of members that CWNU 4026 shares with each listed object.

Visualization

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